VirtualBox shared folders

2023-03-14T14:19:09Z

Ceamore: Update to use current library of linux-virt.

== 3.11 and newer ==
Enable the Community repo in /etc/apk/repositories then:

Create a mount point and install libraries
{{Cmd|mkdir -p /mnt/shared
apk add virtualbox-guest-additions linux-virt
reboot}}
Then mount the folder
{{Cmd|modprobe -a vboxsf
mount -t vboxsf vbox_shared /mnt/shared}}

vbox_shared is the 'Folder Name' you decided in the virtualbox gui
== 3.8 - 3.10 ==
As of 3.8 release, simply enable the Community repo in /etc/apk/repositories then run:
{{Cmd|apk add virtualbox-guest-additions virtualbox-guest-modules-virt}}
Reboot system
{{Cmd|modprobe -a vboxsf
mount -t vboxsf vbox_shared /mnt/outside}}

=== Permanent shares ===
To set up a permanent share, enable vboxsf module and mount at startup.
Change ''vbox_shared'' to your foldername in Virtualbox dialog, maybe adjust the path /mnt/outside twice to your needs.
{{Cmd|echo vboxsf > /etc/modules-load.d/vboxsf.conf
rc-update add local default
mkdir /mnt/outside
echo mount -t vboxsf ''vbox_shared'' /mnt/outside > /etc/local.d/outside.start
chmod +x /etc/local.d/outside.start}}
Reboot system

== 3.7 and previous ==

Install [https://pkgs.alpinelinux.org/package/edge/community/x86/virtualbox-guest-additions virtualbox-guest-additions] and [https://pkgs.alpinelinux.org/package/edge/community/x86/virtualbox-guest-modules-virthardened virtualbox-guest-modules-virthardened] at first:

{{Cmd|apk add virtualbox-guest-additions virtualbox-guest-modules-virthardened}}

The following error may occur:

{{Cmd|ERROR: unsatisfiable constraints:
virtualbox-guest-additions (missing):
required by: world[virtualbox-guest-additions]
virtualbox-guest-modules-virthardened (missing):
required by: world[virtualbox-guest-modules-virthardened]}}

If the error occurs, make sure your alpine version is greater than v3.6 and alpine community repo is enabled:

{{Cmd|echo "http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories}}

Update respository indexes from all remote repositories, then install guest modules and reboot:

{{Cmd|apk update
apk add virtualbox-guest-additions virtualbox-guest-modules-virthardened
reboot}}

Goto <code>Device > Shared Folders > Shared Folder Settings ...</code> add a directory mapping like this:

[[File:Add_Share.png|437px]]

Mount it to alpine:

{{Cmd|mkdir /mnt/outside
mount -t vboxsf vbox_shared /mnt/outside}}

which <code>vbox_shared</code> is your folder name and <code>/mnt/outside</code> is the mounting point.

After this step the following error may occur:

{{Cmd|mount: mounting vbox_shared on /mnt/outside failed: No such device}}

If the error occurs, run command below:

{{Cmd|modprobe -a vboxsf
mount -t vboxsf vbox_shared /mnt/outside}}

And you will see <code>/tmp/vbox_shared</code> and <code>/mnt/outside</code> are connected.

''P.S. Alpine will raise error "Invalid argument" if <code>virtualbox-guest-additions</code> is not installed when mounting drive.''

''VirtualBox will raise error "Guest Additions unavailable" if <code>virtualbox-guest-modules-virthardened</code> is not installed when adding shared path.''

[[Category:Virtualization]]

Alpine Linux - User contributions [en]

VirtualBox shared folders